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Stockholders' Equity - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Feb. 24, 2019 | Feb. 24, 2019 | Jul. 14, 2010
Class of Stock [Line Items] |  |  |
Granted options (in shares) | 31,000 | 206,000 |
Shares for future issuance (in shares) | 2,695,000 | 2,695,000 |
Repurchase plan authorized amount |  |  | $ 10,000,000
Treasure shares acquired (in shares) |  | 0 |
RSUs |  |  |
Class of Stock [Line Items] |  |  |
Awarded (in shares) | 9,000 | 263,000 |

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